Table 14 Fitbit and OMsignal sensor usage. This table shows the number of recordings according to their length. Each recording corresponds to one day of data.

From: TILES-2018, a longitudinal physiologic and behavioral data set of hospital workers

Sensor

Usage

# of recordings %

Wave 1

Wave 2

Wave 3

Fitbit

[8, 24) hours

3111

85.47

6543

81.99

2321

78.95

[4, 8) hours

101

2.77

344

4.31

117

3.98

[0, 4) hours

428

11.76

1093

13.70

502

17.07

OMsignal

[4, 12) hours

1075

89.06

2453

88.33

765

89.16

[2, 4) hours

81

6.71

180

6.48

54

6.29

[0, 2) hours

51

4.23

144

5.19

39

4.55